Genus Tetranguladinium

Species total:
11
Age range:
142.33 - 37.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Tetranguladinium Cretaceous Early Cenomanian
Tetranguladinium conspicuum Berriasian Eocene
Tetranguladinium cruciforme Cretaceous Cretaceous
Tetranguladinium minqiaoense Barremian Eocene
Tetranguladinium opimum Eocene Eocene
Tetranguladinium rectangulatum Late Maestrichtian Late Maestrichtian
Tetranguladinium reticulatum Late Maestrichtian Late Maestrichtian
Tetranguladinium sp Cretaceous Early Campanian
Tetranguladinium sp. Miao et al,1984 Late Cretaceous Late Cretaceous
Tetranguladinium sp.A Late Tithonian Early Campanian
Tetranguladinium sp.B Late Santonian Early Campanian